View Profile: rdmguy - Vintage Computer Forum

Yesterday, 07:02 AM

vwestlife replied to a thread BASIC Game Identification ... in Tandy/Radio Shack

Sounds like a generic "pitfall"-type game. (Not to be confused with the Activision platformer.) I remember even the Boy Scouts magazine had a type-in...

5 replies | 202 view(s)

January 20th, 2021, 02:20 PM

resman added 1 photo(s) to album Compaq Deskpro Family

January 20th, 2021, 01:17 PM

resman replied to a thread Miniscribe Model 3650 "error" in Vintage Computer Hardware

I had a similar hard drive shipped in a Compaq Portable as non-working. In a feat of irony, UPS dropped the box hard enough to crack the front facia,...

4 replies | 56 view(s)

January 20th, 2021, 08:46 AM

vwestlife replied to a thread Windows 1 / 2 in Vintage Computer Software

Windows 1.0 - 3.11 itself should live nicely in whatever directory you put it in. The problem is with some third-party software and drivers, which...

8 replies | 158 view(s)

January 20th, 2021, 06:43 AM

vwestlife replied to a thread Copyrights trademarks etc in Tandy/Radio Shack

They've now launched a line of "retro" apparel, including TRS-80 T-shirts: https://www.radioshack.com/collections/since-1921

53 replies | 2685 view(s)

January 19th, 2021, 06:15 AM

vwestlife replied to a thread OEMs & clones on eBay (continuous listings) in Vintage Computer Auctions

That's the fanciest character font I've ever seen:

471 replies | 82660 view(s)

January 18th, 2021, 11:47 AM

vwestlife replied to a thread Composite color artifacts: made by design or happy coincidence? in PCs and Clones

The CGA's default double-pixel-width text font was likely specifically designed to minimize color artifacts, unlike systems with single-pixel-width...

19 replies | 346 view(s)

January 18th, 2021, 07:56 AM

vwestlife replied to a thread OEMs & clones on eBay (continuous listings) in Vintage Computer Auctions

FWIW, that was actually a 486/5x86 upgrade board, not a 286 upgrade board as the listing claimed.

471 replies | 82660 view(s)

January 16th, 2021, 04:22 PM

resman replied to a thread Composite color artifacts: made by design or happy coincidence? in PCs and Clones

There is a difference between what is possible with artifact colors vs. intent of the supported mode. If you fill an area with a solid color in...

19 replies | 346 view(s)

January 16th, 2021, 08:27 AM

resman replied to a thread Composite color artifacts: made by design or happy coincidence? in PCs and Clones

Reenignes answer seemed pretty clear to me. Another way to look at it is to compare the output from a composite signal and RGB signal. For all the...

19 replies | 346 view(s)

January 15th, 2021, 06:14 AM

vwestlife replied to a thread Composite color artifacts: made by design or happy coincidence? in PCs and Clones

If you wanted sharp text, IBM would gladly sell you an MDA card and a matching monitor. :) Remember, there was no color monitor from IBM for the...

19 replies | 346 view(s)

January 12th, 2021, 08:20 PM

resman replied to a thread Compaq Portable 386 Questions in Later PCs

I use a 2GB DOM (I feel DOMs are better options than CF cards) with the QUANTUM ONTRACK disk overlay manager on my Portable 386. I like that there...

3 replies | 209 view(s)

January 12th, 2021, 08:36 AM

vwestlife replied to a thread Do VGA monitors distinguish between NTCS and PAL? in PCs and Clones

The Mitsubishi Diamond Scan AUM-1381 has inputs for composite video, digital RGB (MDA/CGA/EGA), and analog RGB (VGA, Mac, Amiga, Atari ST, Apple...

12 replies | 409 view(s)

January 8th, 2021, 08:55 AM

vwestlife replied to a thread Has a game ever used the IBM 5151's "long" P39 phosphor to get around charset limits? in PCs and Clones

Not sure about the Compaq -- I know their monochrome CRTs also have fairly long persistence. A look at the schematics would reveal how they're...

21 replies | 748 view(s)

January 7th, 2021, 12:50 PM

resman replied to a thread The Compaq Deskpro 8086, finally! in PCs and Clones

I've got a few Compaqs: Portable w/ Tiny286, XT-IDE Portable 386 DeskPro w/ NEC V30, 2xST225 running Xenix 86, XT-IDE running DOS 5.0 (original...

19 replies | 663 view(s)

January 7th, 2021, 12:38 PM

vwestlife replied to a thread Has a game ever used the IBM 5151's "long" P39 phosphor to get around charset limits? in PCs and Clones

The ATI Small Wonder card does that in hardware, using PWM of the video signal to produce 16 shades of phosphor when emulating CGA or EGA on an MDA...

21 replies | 748 view(s)

January 7th, 2021, 06:40 AM

vwestlife replied to a thread Has a game ever used the IBM 5151's "long" P39 phosphor to get around charset limits? in PCs and Clones

IBM did release an MDA-only game, 101 Monochrome Mazes, but not for this reason -- even though it only used text mode, it wouldn't run on CGA,...

21 replies | 748 view(s)

January 6th, 2021, 10:20 AM

resman replied to a thread The Compaq Deskpro 8086, finally! in PCs and Clones

Ha, you beat me to it.

19 replies | 663 view(s)

January 6th, 2021, 10:18 AM

resman replied to a thread The Compaq Deskpro 8086, finally! in PCs and Clones

Excellent. It can be challenging to find the original keyboard. If you find yourself in a pinch, the Compaq Enhanced keyboard will work fine with the...

19 replies | 663 view(s)

January 6th, 2021, 10:09 AM

resman replied to a thread The Compaq Deskpro 8086, finally! in PCs and Clones

Entry 46 and 55: https://github.com/MobyGamer/TOPBENCH/blob/master/DATABASE.CSV The Compaq 8086 is really running at 7.16 MHz. I think the 6300...

19 replies | 663 view(s)

January 4th, 2021, 01:59 PM

vwestlife replied to a thread Would it be possible to design a 16-bit VGA card for AT&T 6300 / Olivetti M24 PCs? in Hardware

You're going to make Tandy 1000 TL / TX owners jealous. You have a 16-bit bus on an 8086 system, while they only have an 8-bit bus on a 286 system!

9 replies | 394 view(s)

December 31st, 2020, 06:48 AM

vwestlife replied to a thread Vintage Anti-virus software in Vintage Computer Software

After battling this infection, I made a habit of always write-protecting floppies after scanning them for viruses, and only un-protecting them when I...

13 replies | 610 view(s)

December 30th, 2020, 01:57 PM

vwestlife replied to a thread Vintage Anti-virus software in Vintage Computer Software

I use IBM AntiVirus for DOS, which came with IBM's PC DOS 7 and 2000. The command line version will run on an 8088 and is small enough to fit on a...

13 replies | 610 view(s)

December 30th, 2020, 11:34 AM

vwestlife replied to a thread Copyrights trademarks etc in Tandy/Radio Shack

I like the idea of changing "Radio Shack" to "Retro Shack".

53 replies | 2685 view(s)

December 29th, 2020, 01:57 PM

vwestlife replied to a thread Tandy 1000 TL/2 not booting, buzzing tone from speaker in Tandy/Radio Shack

The constant tone from the speaker means the CPU is not running, because one of the first things it does during POST is silence the output of the...

1 replies | 141 view(s)

December 29th, 2020, 12:29 PM

vwestlife replied to a thread Copyrights trademarks etc in Tandy/Radio Shack

I've been thinking the same thing about Commodore for years. If there ever was a prime opportunity to legally use the Commodore name, "The C64"...

53 replies | 2685 view(s)

December 28th, 2020, 08:07 AM

vwestlife replied to a thread First YouTube video experience in General Off Topic

Much of the alleged censorship on YouTube is due to the "adpocalypse" -- several incidents from 2016 to 2019 when major corporate advertisers pulled...

254 replies | 23327 view(s)

December 25th, 2020, 07:28 PM

resman replied to a thread Versions of Apple II Pascal vs. USCD Pascal in Early Apple (I, ][, ///, etc.)

Apple Pascal was painful with only one drive. But it had a lot of support for Apple II features. The book "Apple Pascal, a Hands on Approach" was a...

5 replies | 371 view(s)

December 23rd, 2020, 12:33 PM

vwestlife replied to a thread First YouTube video experience in General Off Topic

Just read Wikipedia's description of it: https://en.wikipedia.org/wiki/BitChute

254 replies | 23327 view(s)

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